Huber+Suhner BNC RF Coaxial Adapters A range of 50 and 75 Ohm BNC RF coaxial adapters with a variety of configurations including BNC plug to BNC plug, BNC jack to BNC jack and BNC plug to BNC jack with straight, elbow and 'T' orientations and bulkhead mount options. Stock number 716-4776 is a BNC T adapter with a jack-jack-plug configuration, stock number 716-4827 is an asymmetric BNC T adapter with a plug-jack-jack configuration. These BNC series RF coaxial adapters include a BNC jack to BNC jack adapter for insulated mounting (stock number 716-4836).